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INVERTED FOLLICULAR KERATOSIS (BASOSQUAMOUS CELL EPIDERMAL TUMOR, BASOSQUAMOUS CELL ACANTHOMA, IRRITATED SEBORRHEIC KERATOSIS)

Key Features

      Inverted follicular keratosis is a benign lesion that appears nodular or wartlike and is most commonly seen along the lid margin of men.
      These lesions clinically present as circumscribed, nodular, papillomatous, verrucous, or cystic appearance and have the potential to grow quickly.
      If there is functional compromise or the lesion is cosmetically unacceptable, complete excision is done to prevent.

Inverted follicular keratosis is a benign lesion that has a wartlike or nodular appearance. It tends to occur in middle-aged and older individuals and resembles malignancies such as squamous cell carcinoma or, if pigmented, melanoma. Forty-three percent of lesions in one study were found at the lid margin.[156] Five of these had a cutaneous horn, and 50% had an onset of less than 3 months duration.

Inverted follicular keratosis is a small, usually solitary …